

package com.hazelcast.internal.config;

import java.util.Objects;

public class LicenseKey {

    private static final int LICENSE_KEY_VISIBLE_CHAR_COUNT = 5;

    private final String licenseKey;

    public LicenseKey(String licenseKey) {
        this.licenseKey = licenseKey;
    }

    public static String maskLicense(String licenseKey) {
        if (licenseKey == null) {
            return null;
        }

        if (licenseKey.length() > LICENSE_KEY_VISIBLE_CHAR_COUNT) {
            String[] licenceKeyParts = licenseKey.split("#");
            String originalKeyPart = licenceKeyParts[licenceKeyParts.length - 1];
            return originalKeyPart.substring(0, LICENSE_KEY_VISIBLE_CHAR_COUNT) + "*********" + originalKeyPart.substring(originalKeyPart.length() - LICENSE_KEY_VISIBLE_CHAR_COUNT);
        } else {
            return licenseKey;
        }
    }

    public String getLicenseKey() {
        return licenseKey;
    }

    public String getMaskedLicense() {
        return maskLicense(licenseKey);
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        LicenseKey that = (LicenseKey) o;
        return Objects.equals(licenseKey, that.licenseKey);
    }

    @Override
    public int hashCode() {
        return licenseKey.hashCode();
    }

    @Override
    @SuppressWarnings("checkstyle:MagicNumber")
    public String toString() {
        return "LicenseKey{" + "licenseKey='" + getMaskedLicense() + '\'' + '}';
    }
}
